/* 通用按钮样式 */
button,
a.button,
.join-button,
.event-button,
.controls-btn,
.submit-btn,
.edit-btn,
.delete-btn,
.cancel-btn {
  display: inline-block;
  border: none;
  cursor: pointer;
  padding: 10px;
  text-align: center;
  font-weight: 500;
  transition: all var(--transition-base);
}

/* 加入按钮 */
.join-button {
  background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
  color: var(--text-light) !important;
  padding: 0.8rem 2rem;
  border-radius: 2rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.join-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* 事件按钮 */
.event-button {
  padding: 0.6rem 1.5rem;
  background: var(--primary-blue);
  color: white;
  border-radius: 2rem;
  text-decoration: none;
}

.event-button:hover {
  background: var(--secondary-blue);
}

/* 日历控制按钮 */
.controls-btn {
  background: #0052a3;
  color: white;
  padding: 8px 15px;
  border-radius: 5px;
  font-size: 16px;
}

.controls-btn:hover {
  background: #003d80;
  transform: scale(1.05);
}

/* 添加按钮 */
.add-btn {
  background: var(--primary-blue);
  border: none;
  padding: 0px;
  border-radius: 50%;
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
}

.add-btn:hover {
  background: var(--secondary-blue);
  transform: scale(1.1);
}

/* 表单提交与操作按钮 */
.submit-btn {
  background-color: var(--primary-blue);
  color: white;
  padding: 10px 20px;
  border-radius: 4px;
}

.submit-btn:hover {
  background-color: var(--secondary-blue);
}

.edit-btn {
  background: #4285f4;
  color: white;
}

.edit-btn:hover {
  background: #3367d6;
}

.cancel-btn {
  background: #f5f5f5;
}

.cancel-btn:hover {
  background: #e0e0e0;
}

.delete-btn {
  background: #ff4444;
  color: white;
}

.delete-btn:hover {
  background: #cc0000;
}

/* 内页链接按钮样式：Read More */
.read-more {
  display: inline-block;
  color: var(--primary-blue);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-base);
}

.read-more:hover {
  color: var(--secondary-blue);
}

.read-more i {
  margin-left: 5px;
  transition: transform var(--transition-base);
}

.read-more:hover i {
  transform: translateX(3px);
}